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Is a RelativeLayout more expensive than a LinearLayout?
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In a talk at Google I/O 2013 (Writing Custom Views for Android), Romain Guy clarified the misunderstanding that caused everyone to start using RelativeLayouts for everything. A RelativeLayout always has to do two measure passes. Overall it is neglig...
What are the special dollar sign shell variables?
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$1, $2, $3, ... are the positional parameters.
"$@" is an array-like construct of all positional parameters, {$1, $2, $3 ...}.
"$*" is the IFS expansion of all positional parameters, $1 $2 $3 ....
$# is the number of positional pa...
Find directory name with wildcard or similar to “like”
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answered Aug 1 '12 at 18:49
Hunter McMillenHunter McMillen
49.8k2020 gold badges103103 silver badges154154 bronze badges
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HTTP Basic Authentication credentials passed in URL and encryption
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236
Will the username and password be automatically SSL encrypted? Is the same true for GETs an...
express 4.0 , express-session with odd warning message
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answered Jun 29 '14 at 14:36
mscdexmscdex
87.4k1212 gold badges152152 silver badges122122 bronze badges
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How to make a div grow in height while having floats inside
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278
overflow:auto; on the containing div makes everything inside of it (even floated items) visibl...
TypeError: 'dict_keys' object does not support indexing
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234
Clearly you're passing in d.keys() to your shuffle function. Probably this was written with p...
Custom dealloc and ARC (Objective-C)
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420
When using ARC, you simply do not call [super dealloc] explicitly - the compiler handles it for...
Installing specific laravel version with composer create-project
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This command works:
composer create-project laravel/laravel=4.1.27 your-project-name --prefer-dist
This works with the * notation.
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Define all functions in one .R file, call them from another .R file. How, if possible?
...oABC(x)+1
return(k)
}
barXYZ <- function(x){
k <- barABC(x)+20
return(k)
}
then,
> source("abc.R")
> source("xyz.R")
> fooXYZ(3)
[1] 55
>
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